VULNERABILITY INTELLIGENCE

CVE-2023-35703

CVSS score7.8 HIGH
EPSS probability0.43%
CISA KEVNot currently listed
Published2024-01-08
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

Multiple stack-based buffer overflow vulnerabilities exist in the FST LEB128 varint functionality of GTKWave 3.3.115. A specially crafted .fst file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns the fstReaderVarint64 function.

Weakness classification

  • talos-cna@cisco.com: CWE-121
  • nvd@nist.gov: CWE-787

Primary references